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Number
Text
1796
RAM copy error.
2561
Replace the control card.
2820
LCP stack overflow.
2821
Serial port overflow.
2822
USB port overflow.
3072–5122
Parameter value is outside its limits.
5123
Option in slot A: Hardware incompatible with the control board hardware.
5124
Option in slot B: Hardware incompatible with the control board hardware.
5125
Option in slot C0: Hardware incompatible with the control board hardware.
5126
Option in slot C1: Hardware incompatible with the control board hardware.
5376– 6231 Internal fault. Contact the supplier or service department.
5.2.37 ALARM 39, Heat Sink Sensor
Cause
No feedback from the heat sink temperature sensor.
The signal from the IGBT thermal sensor is not available on the power card. The problem could be on the power card, on the gate-
drive card, or on the ribboncable between the power card and the gatedrive card.
5.2.38 WARNING 40, Overload of Digital Output Terminal 27
Troubleshooting
Check the load connected to terminal 27 or remove the short-circuit connection.
Check
parameter 5-00 Digital I/O Mode
and
parameter 5-01 Terminal 27 Mode
.
5.2.39 WARNING 41, Overload of Digital Output Terminal 29
Troubleshooting
Check the load connected to terminal 29 or remove the short-circuit connection.
Check
parameter 5-00 Digital I/O Mode
and
parameter 5-02 Terminal 29 Mode
.
5.2.40 WARNING 42, Ovrld X30/6-7
Troubleshooting
For terminal X30/6:
Check the load connected to the terminal, or remove the short-circuit connection.
For terminal X30/7:
Check the load connected to the terminal, or remove the short-circuit connection.
5.2.41 ALARM 45, Earth Fault 2
Cause
Ground fault.
Troubleshooting
Check for proper grounding and loose connections.
Check for proper wire size.
Check the motor cables for short circuits or leakage currents.
AU373327181955en-000101 / 130R1208 | 363
Danfoss A/S © 2021.08
Troubleshooting
VLT® AutomationDrive EZ FC 321
Programming Guide